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Marquise|Lab Grown|GCAL

0.40ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • GCAL 311790047

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 311790047

Diamond specifications and retailer prices

From $111 USD
As of October 27, 2026
Save $554 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $665 USD at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GCAL 311790047. Listed at 9 retailers as of October 27, 2026, with prices from $111 to $665, a $554 spread on the same certified stone. Taylor and Hart lists it at $665. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
E
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 311790047
Dimensions8.09 × 3.76 × 2.23 mm
L/W Ratio2.15
Culet sizeNone
Top View
8.09 mm3.76 mm0.40 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 311790047
Side View
Table 62.0%Crown 33.5°Girdle: THN-THKPavilion 40°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $147 USD|Low: $109 USD|High: $1,320 USD|Avg: $374 USD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 29, 2026
Retailer 6$111 USD
Retailer 5$129 USD
Retailer 1$147 USD
Retailer 9$174 USD
Retailer 7$195 USD
Retailer 10$202 USD
Retailer 2$257 USD
Retailer 8$341 USD
Retailer 4$490 USD
Taylor and Hart$665 USD
Retailer 3$1,279 USD

19 data points across 11 retailers

9 retailers$111 USD to $665 USD

A
Cheapest Retailer
-
$111 USD
A
Retailer 2
-
$129 USD
View
A
Retailer 3
-
$147 USD
View
A
Retailer 4
-
$174 USD
View
A
Retailer 5
-
$195 USD
View
B+
Retailer 6
-
$341 USD
CA$473 CAD
View
B
Retailer 7
-
$490 USD
View
Most Expensive
B
Taylor and Hart
AWFBEHP · Oct 29
$665 USD
View
7 more retailers have this diamond
Prices start from $111 USDSave up to $554 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.40ct Marquise
$111 USD